1 spare Gen II battery will last 8-12 hours.

Will last for 600 recharges compare to 300 from the competition!

This powerful black satin finish Gen II battery packs 180 mAh of power and measures 75mm long. All Gen II batteries fit our M401 style cartomizers and atomizers. Blue tip L.E.D. Charge time 2-2.5 hrs. MUST BE AT LEAST 21 YEARS OLD TO PURCHASE.